Annotations: 6RAU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth I]	DNA_ligase_OB_2	e6rauI3	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: DNA_ligase_OB_2	ECOD (1.6)
C [auth I]	UNK_F_TYPE	e6rauI2	A: alpha bundles	X: ATP-dependent DNA ligase DNA-binding domain (From Topology)	H: ATP-dependent DNA ligase DNA-binding domain (From Topology)	T: ATP-dependent DNA ligase DNA-binding domain	F: UNK_F_TYPE	ECOD (1.6)
C [auth I]	DNA_ligase_A_M	e6rauI1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: DNA_ligase_A_M	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth I]	3.30.470.30	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (utative)
C [auth I]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth I]	PF01068	ATP dependent DNA ligase domain (DNA_ligase_A_M)	ATP dependent DNA ligase domain	This domain belongs to a more diverse superfamily, including Pfam:PF01331 and Pfam:PF01653 [3].	Domain
C [auth I]	PF14743	DNA ligase OB-like domain (DNA_ligase_OB_2)	DNA ligase OB-like domain	This domain has an OB-like fold, but does not appear to be related to Pfam:PF03120. It is found at the C-terminus of the ATP dependent DNA ligase domain Pfam:PF01068 [1-3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth I]	ATP-dependent DNA ligase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding ligase activity, forming phosphoric ester bonds DNA ligase (ATP) activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity DNA ligase activity ligase activity	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair DNA recombination	-
B [auth C]	DNA (5'-D(APTPTPGPCPGPAPCPCPCPCPAPCPTPAPTPCPGPGPAP*A)-3')	-	-	-
A [auth B]	DNA (5'-D(TPTPCPCPGPAPCPAPGPTPGPGPGPGPTPCPGPCPAPAP*T)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth I]	IPR016059	DNA ligase, ATP-dependent, conserved site	Conserved Site
C [auth I]	IPR012310	DNA ligase, ATP-dependent, central	Domain
C [auth I]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
C [auth I]	IPR050326	NAD-dependent DNA ligase B	Family
C [auth I]	IPR029319	DNA ligase, OB-like domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.